第18周周末试卷
18第十八周综合实践
一、本周主要内容综合实践二、本周学习目标（一）住房的变化1、进一步掌握收集、整理、描述和分析数据的方法，感受折线统计图的特点，能根据统计图表和统计量所呈现的信息进行一些简单的分析和思考，增强数据分析意识、发展统计观念。
2、引导学生综合运用统计方面的知识和方法解决实际问题，使学生进一步加深对折线统计图和统计表作用的体验，提高学生动手实践、自主探究、合作交流的能力，发展学生的数学思考。
3、让学生感受到我国社会的发展与进步，对学生进行爱祖国、爱家乡的教育。
（二）旅游费1、阅读分析教材提供的各种信息，引导学生结合自身的生活经验说说对这些信息的理解。
2、能独立收集信息，利用教材提供的信息和实际需要，通过计算、比较，有序思考，解决一些与旅游费用的预算有关的实际问题。
3、帮助学生进一步提高综合运用数学知识和方法解决实际问题的能力，增强数学应用。
4、在解决实际问题的过程中，体会解题策略的多样性。
（三）绿地面积1、通过阅读统计图表以及实际调查和测量，了解我国城市以及所在学校的人均绿化面积，体会绿地对于改善居住环境的意义。
2、引导学生认真阅读统计图表，对所阅读的材料和所调查所得的材料能够进行科学的分析与反思，培养学生分析数据的能力。
3、通过开展一些实践活动，培养学生的动手实践、合作交流等各方面的能力。
4、通过调查和阅读等活动，体会到我国与先进国家在绿化方面的差别，从小培养学生的绿化和环保意识。
（四）保护水资源1、阅读分析教材提供的材料，了解我国水资源的现状。
2、小组合作实验获得滴水龙头、洗脸，洗手的用水量，完成统计表和统计图。
估算、推算出相关数据。
3、通过对数据的分析对比，增强节水意识。
4、通过综合应用，培养学生应用数学知识与方法解决实际的能力，提高学习数学的兴趣。
三、考点分析（一）住房的变化1、复式统计表。
2、折线统计图的制作及分析。
3、求平均数的应用问题。
4、综合实践——社会调查。
（二）旅游费1、在解决旅游问题时，要利用生活经验正确理解旅游人数、出发地和目的地、起止日期、交通工具及在旅游目的地可能产生的开支情况等有关旅游活动的基本信息，弄清它们所表达的实际含义。
小学六年级数学周末试卷
一、选择题（每题2分，共20分）1. 下列数中，既是奇数又是质数的是（）A. 17B. 16C. 18D. 202. 一个长方形的长是10厘米，宽是6厘米，它的周长是（）A. 16厘米B. 26厘米C. 32厘米D. 36厘米3. 小明有3个苹果，小红有4个苹果，他们一共有（）A. 5个苹果B. 7个苹果C. 8个苹果D. 9个苹果4. 如果一个数的3倍加上5等于17，这个数是（）A. 4B. 5C. 6D. 75. 一个正方形的边长是8厘米，它的面积是（）A. 64平方厘米B. 32平方厘米C. 16平方厘米D. 8平方厘米6. 下列分数中，最大的是（）A. $\frac{3}{4}$B. $\frac{5}{6}$C. $\frac{7}{8}$D. $\frac{2}{3}$7. 一个圆的半径是5厘米，它的直径是（）A. 10厘米B. 15厘米C. 20厘米D. 25厘米8. 小华骑自行车去学校，每小时行驶12千米，他用了1小时到达学校，那么他家离学校（）A. 6千米B. 12千米C. 18千米D. 24千米9. 下列数中，能同时被2和3整除的是（）A. 14B. 15C. 16D. 1710. 小明有10元，他买了一个文具盒花了5元，还剩（）A. 5元B. 6元C. 7元D. 8元二、填空题（每题2分，共20分）11. 5个苹果的重量是1千克，那么1个苹果的重量是（）12. 一个长方形的长是12厘米，宽是6厘米，它的面积是（）13. 一个数的2倍加上4等于20，这个数是（）14. 一个圆的半径增加了2厘米，它的面积增加了（）15. 小华家买了一个电饭煲，比原来计划的便宜了20元，实际支付了180元，那么原计划支付（）16. 下列数中，最小的整数是（）17. 一个正方形的周长是36厘米，它的边长是（）18. 小明骑自行车去公园，速度是每小时15千米，他用了2小时到达公园，那么他家离公园（）19. 一个数的5倍减去3等于12，这个数是（）20. 下列数中，最小的质数是（）三、解答题（每题10分，共30分）21. 小华有一些糖果，他分给小明3个，然后又分给小红4个，最后还剩5个。
苏教版小学一年级语文下册第17周周练试卷
一年级语文18周周练班级姓名一、看拼音，写词语。
pá shùliú shuǐhēi bǎn lái wǎnɡlìqi kǒu kě（）（）（）（）（）（）gōngyuán yǔ yán kūshēng bàn fǎfēn biéhuà shān（）（）（）（）（）（）zhōng yúděng hòu nián dài jiàn jian kàn jiàn sī mǎ guāng （）（）（）（）（）（）二、比一比，再组词。
半（）流（）已( ) 往( ) 忽（）办（）牛（）己( ) 住( ) 呼（）油（）终（）于（）候（）没（）由（）中（）干（）后（）梅（）三、根据课文内容填空。
1、有一天，鲁班( )船回家，看到老艄公用竹篙撑船( ) ( ) 吃力。
等把船撑到对岸，老艄公( ) 经累得( ) ( ) ( ) ( )了。
2、乌鸦看见( ) ( )有许多( ) ( ) ( )，( ) ( )想出( ) ( )来了。
它叼起小石子，一颗一颗地( ) ( )瓶子里。
瓶子里的水( ) ( ) ( ) ( )了，乌鸦就( ) ( ) ( )了。
3、宋代的寇准七岁时写了一首诗：只有( ) ( ) ( )，更无( ) ( ) ( )。
举头( ) ( ) ( )，( ) 首( ) ( )低。
四、乱句成段。
（把序号写在括号里）（）“谢(xiè)谢您！”小白兔说完就放心地睡了。
（）兔妈妈不在家。
（）小黄狗跑过来说：“小白兔，让我守卫在你家的门口。
”（）晚上，天上没有星星。
（）小白兔胆(dǎn)子小，不敢(gǎn)睡觉。
五、写出反义词笑——（）高——（）古——（）里——（）出——（）粗——（）六、看图写话观察图片，图上都有谁，他们在干什么？。
初一上册数学错题集
初一上册数学错题集姓名：杭泽林 2014年11月常州外国语学校七年级周末作业一16、一收费员从水厂出发，向东走了2千米到达小聪家，继续向东走了1.5千米到达小华家，又向西走了5千米到达小文家，最后回到水厂。
1、以水厂为原点，以向东方向为正方向，用一个单位长度表示1千米，你能在数轴上表示出小聪家、小华家和小文家的位置吗？2、小聪家距小文家多远？3、收费员一共走了多少千米？常州外国语学校七年级周末作业二15、数轴上原点右边4.8厘米处的点表示的有理数是32，那么，数轴原点左边18厘米处的点表示的有理数的常州外国语学校第四单元练习1、小华在某月的日历中圈出了三个数，并算出这三个数的和是39，则小华圈出的三个数的排列形式不可能是：（）A、xB、x x xC、x xD、x xX x x x2、如图是一个长方形块图，由6个大小不完全相同的正方形组成，设中间最小的一个正方形边长为1，则这个长方形的面积为3、某物流公司的甲、乙两辆货车分别从相距300千米的A、B两地同时出发相向而行，并以各自的速度匀速行驶，两车行驶1.5小时时甲车先到达配货站C地，此时两车相距30千米，甲车在C地用1小时配货，然后按原速度开往B地；乙车从B地行驶2小时时也到C地，未停留继续开往A地。
（友情提醒：画出线段图帮助分析）（1）：乙车的速度是千米/小时，B、C两地的距离是千米，A、C两地的距离是千米；（2）：求甲车的速度及甲车到达B地总共用的时间；（3）：乙车从B地出发多长时间，两车相距150千米？常州外国语学校七年级周末作业五8、有一列数：-1/2、2/5、-3/10、4/17……，那么第n个数是常州外国语学校七年级周末作业七1、为鼓励节约用水，某地推行阶梯式水价计费制，标准如下：每月用水不超过17m3的按每立方米a元计费；超过17m3而未超过30m3 的部分按每立方米b元计费；而超过30m3的部分按每立方米c元计费。
某户居民上月用水35m3，应交水费为常州外国语学校七年级周末作业九10、若：（2x+1）=常州外国语学校七年级第十二周周末作业1、幼儿园有一批卡通书，若3个小朋友合着一本，则多2本；若2个小朋友合着看一本，则有9个小朋友没有书看，共有多少个小朋友？1如图，已知矩形ABCD中，AB=3cm ， BC=5cm，点P从点A出发，沿着矩形的边逆时针运动，速度为1cm/s；同时点Q从点C出发，也沿着矩形的边逆时针运动，速度为1,8cm/s。
二年级奥数周周练 第18周 植树问题(一) (教师版)答案
第18周植树问题（一）一、知识要点植树的学问真不少，这里面有许多有趣的问题，做这类题目要多动脑筋，弄清题意，理解树的棵数与间隔数的关系，掌握植树的解题方法，问题就迎刃而解了。
植树的问题，应该注意如果起点和终点都植树，树的棵数比间隔数多1，如果起点和终点不植树，树的棵数比间隔数少1，在解答这类应用题时，应该看清楚题目要求，然后根据棵数与间隔数的关系，结合已知条件，就能找到解决问题的方法了。
二、精讲精练【例题1】一条路长72米，在路的一边每隔8米栽1棵松树，从头到尾一共可以栽多少棵松树？【思路导航】每隔8米栽一棵树，72里面有9个8，这个9其实就是把72米平均分成了9个间隔，因为从头到尾都要栽树，所以树的棵数比间隔数多1，即9＋1＝10（棵），也就是棵数比间隔数多1。
72÷8＋1＝10（棵）答：一共可以栽10棵松树。
练习1：1.学校门前的一条路长42米，在路的一边从头到尾栽树，每7米栽一棵，一共能栽多少棵？42÷7＋1＝7（棵）答：一共能栽7棵。
2.教室前面到教室后面长8米，从头到尾每隔2米摆一盆花，一共摆了多少盆花？8÷2＋1＝5（盆）答：一共摆了5盆花。
3.学校门前的一条路长56米，为迎接国庆节，在路的一边从头到尾都插上彩旗，每7米插一面，一共要插多少面彩旗？56÷7＋1＝9（面）答：一共要插9面彩旗。
【例题2】同学们在一条公路的两边从头到尾每隔6米栽一棵树，共栽了22棵，这条公路长多少米？【思路导航】在路的两旁栽树，共栽了22棵，那么每边栽了22÷2＝11棵，由此可知，就是把这条路的每边分成了11－1＝10（段），又因为每段是6米，10×6＝60米，这就是这条公路的长了22÷2＝11（棵）11－1＝10（段）6×10＝60（米）答：这条公路长60米。
练习2：1.少先队员在路的两旁每隔5米栽一棵树，起点和终点都栽了，一共栽了72棵树，这条路长多少米？72÷2＝36（棵）36－1＝35（段）5×35＝175（米）答：这条路长175米。
苏教版小学一年级语文下册第18周周练试卷
） 同（
） 司（ ） 园（
）
） ）
己（
） 圆（
）
写出反义词。
进—（ ） 先—（ ） 无—（ ）
圆—（ ） 哭—（ ） 去—（ ） 低—（ ） 生—（ ） 单—（ ）
外—（ ）
填上合适的词语。
（
（ （
）的叶子
）的夏天 ）的太阳
（
（ （
）的华山
）的小花 ）的贝壳
根据课文内容填空。 1．别的（ ）（ ）（ ）都慌了，有的 （ ），有的喊，还有的（ ）（ ）（ ） 大人。 2．一只乌鸦（ ）（ ）了，（ ）（ ） （ ）（ ）喝。 3．小松鼠（ ）（ ）都到（ ）（ ） 地里去，看（ ）（ ）结果了（ ） （ ）。可是，直到（ ）（ ）（ ） （ ）（ ）都落光了，也（ ）（ ） （ ）一个花生果。
读拼音，写词语。 zì jǐ kǒu kě zhōng yú
（
）（
） （
bàn fǎ
）
páng biān ）
gǔ shí hou （
）（
）（
měi tiān
（ ）
zì yán zì yǔ
（ ）
给下列加横线字注音。
使劲（
瓶子（ 蚯蚓（
）
） ）
砸缸（称赞ຫໍສະໝຸດ 留着（）） ）比一比，再组词 。
光（
考考你。 例：鲁班模仿鸭子的脚发明了橹板。
人们模仿____________发明了直升机。
人们模仿薄公英发明了___________。 人们模仿_______发明了__________。
把句子补充完整。 1．体会运动会上，运动员有的在 ___________，有的在_________，还 有的在______。 2．小朋友在表演节目，有的 ___________，有的___________，还 有的_____________。
四数上第18周练习
一、看谁算得又对又好。
1．直接写出得数。
63÷3＝
60+47＝
15×30＝
0×560＝
2.用递等式计算。
244-6×28
1000－38×20
17×6＝ 40×6＝
66÷11＝ 720÷60＝
78+240÷4
54×（71-33）
（222-51）÷3
81÷（68－59）
少钱？
四年级上册数学第三周周末练习 2014.9
一、算算填填
1．直接写得数。
65÷5=
90÷18=
25×4=
240÷30=
84÷14=
560÷80= 420÷70= 72÷4=
69÷23=
460÷10=
480÷20= 750÷30= 280÷70= 200÷50=
320÷40=
2．填空
(1)括号里最大能填几。
千克，三班需要 22 千克。 （1）每班分别购买，各需要多少元？
数量（千克） 1-20 21-50 50 以上
单价（元） 25
20
15
（2）三个班合起来购买，共需要多少元?
《哈利·波特》 成人票：每张 10 元 6.实验小学组织四年级学生去观看电影，学生有 学生票：每张 5 元 560 人，教师有 26 人。电影院售票处写着（右图），请团设体计票：每张 6 元 40 人（含 你认为最省钱的购票方案，并算出购票一共需要多 40 人）以上可购买团体票。
（）
2.明明今天喝了 400 毫升牛奶。
（）
3.水瓶的容量比奶瓶的容量大。
（）
4.用滴管滴 100 滴水大约是 100 毫升。
(第18周)(初三英语)期末总复习(一)
2012—2013上学期一对一周末辅导试卷—（第18周）学生姓名：成绩：期末总复习(一)一. 名词、冠词( )1.– What can I do for you? -- I'd like two _______.A. box of appleB. boxes of applesC. box of applesD. boxes of apple( )2.He is _______ uncle of mine. He works at ________ university.A. a, anB. an, anC. an; aD. an, ×( )3. youngest leader in China is from ____ island ．A．The；an B．A；the C．A；a D．the ；a( )4.What useful book! And book was given to me by my father as a birthday present last year.A the, \B an, theC \, \D a, the( )5.________ it is today!A. What fine weatherB. What a fine weatherC. How a fine weatherD. How fine a weather( )6.We will have a _________ holiday after the exam.A. two monthB. two-monthC. two month'sD. two-months( )8._________ people here are very friendly to us.A. TheB. /C. AD. An二. 代词( )1. Some people like to stay at home, but ________ like to go to the cinema.A. anotherB. otherC. othersD. other one( )2. There are three students in the reading room. One is a boy, ______ two are girls.A. the othersB. the otherC. otherD. another( )3. -- Is this your shoe? -- Yes, but where is _________?A. the other oneB. other oneC. another oneD. the others( )4. – When shall we meet again next week? -- _______ day is possible. It's no problem with me.A. EitherB. NeitherC. EveryD. Any( )5. Have you ever seen ________ big panda before?A. a suchB. such aC. so aD. a so( )6. -- _______ do you write to your parents? -- Once a month.A. How longB. How soonC. How oftenD. How far( )8. – What do your parents do? -- One is a teacher; _________ is a driver.A. otherB. anotherC. the otherD. that one( )9. There are many trees on ________ side of the street.A. eitherB. anyC. allD. both三. 介词、连词( )1 Japan is ________ the east of China.A. inB. toC. onD. at( )2 He hasn't heard from his friend __________ last month.since B. by the end of C. for D. until( )3 I didn't buy the dictionary yesterday _________ my aunt would give me one.A. untilB. becauseC. ifD. before( )4 I'm going to look for another job ________ the company offers me more money.A. afterB. unlessC. whenD. for( )5 Don't hurry. The bus won't start ________ everybody gets on.A. sinceB. asC. untilD. when( )6 ______ the maths problem is difficult, I'll try very hard to work it out.A. ThoughB. WhenC. BeforeD. After( )7He turned ________ the radio because his father was asleep.A. onB. downC. upD. over四. 动词及时态( )1.Though it's cloudy now, it _________ get sunny later.A. canB. mayC. mustD. need( )2.It is in the library, you _______ talk loudly.A. may notB. can'tC. needn'tD. mustn't( )3.If anyone wants to say something in class, you ________ put up your hands first.A. mustB. mayC. shouldD. can( )4.I called you last night but no one answered the phone. -- I ________ dinner with my friends in the restaurant.A. haveB. hadC. was havingD. have had( )5.If you have lost a library book, you have to _________ it.A. find outB. look afterC. pay forD. take care( )6. The glass ______ . It _____ by little Tom this morning.A. broke, is brokenB. is broken, was brokenC. was broken, brokeD. has been broken, broken( )7.How many books _____ they ________?-- Five. But they haven't finished reading even one.A. did borrowB. had borrowedC. will borrowD. do borrow( )8. A strange thing _____ in our school yesterday.A. was happenedB. has been happenedC. happenedD. was going to happen( )9. There _____some showers this afternoon.A will beB will haveC is going to beD are going to have( )10. When I got home, my son _____ the music.A am listening toB listened toC was listening toD was listening( )11. She _____her keys in the office so she had to wait until her husband ____home.A has left; comesB had left; would comeC had left; cameD left; had come五. 形容词、副词( )1The population of the world in 20th century became very much _________ than that in 19th.A. biggerB. largerC. greaterD. more( )2Miss Li is one of _______ in our school.A. a popular teacherB. more popular teacherC. most popular teacherD. the most popular teachers( )3Would you like ________ more tea? -- Thank you. I've had ________.A. any, muchB. some, enoughC. some, muchD. any, enough( )4What's the weather like tomorrow? -- The radio says it is going to be even ______.A. badB. worstC. badlyD. worse( )5Though she talks ______, she has made ________ friends here.A. a little, a fewB. little, fewC. little, a fewD. few, a few( )6He never does his work _______ Mary.A. as careful asB. so careful asC. as carefully asD. carefully as六. 固定短语及句型( )1. Would you please drive faster ? My flight is _________.A. taking offB. getting offC. turning offD. putting off( )2. On October 15, 2003 China_____ its first man-made spaceship, which made Y ang Liwei a hero to many kids.A. set outB. Set offC. sent upD. sent out( )3. ---How is the play going ? ---We are going to _______ the day after tomorrow.A. put on itB. put it offC. put it onD. put it off( )4. Mr Green is busy _______ the newspaper while his wife is busy ______ the housework.A. reading ; withB. to read ; withC. to read ; doingD. with ; to do( )5. We have to _______ our things if we travel on a train or a bus.A. look atB. look upC.look likeD. look after( )6. ---If you ______ a new idea, please call me as soon as possible. --- Sure, I will.A. keep up withB. catch up withC. feed up withD. come up with( )7. ---Zhou Jielun is so cool. I’m his fan. ---____________.A. So do IB. So I doC. So am ID. So I am( )8. ---Y our new sweater looks beautiful. Is it _______ pure wool ? ---Y es, and it’s _______ Inner Mongolia.A. made by ; made forB. made of ; made byC. made of ; made inD. Made by ; made from七. 句法( )1. Would you please tell me ________ next, Mr Wang?A. what should we doB. we should do whatC. what we should doD. should do what( )2. Alice has gone to the classroom and she didn't say ________.A. when did she come backB. when would she be backC. when she came backD. when she would be back( )3. I'm sorry I broke your coffee cup. -- Oh, really? _________.A. It doesn't matterB. I don't knowC. it's OK with meD. Y ou're welcome( )4. Would you mind calling me back tomorrow again? -- _________.A. Not at allB. Y ou're welcomeC. Y ou're rightD. Nice to meet you( )5. He hardly had anything to eat, ________ he?A. didn'tB. hadn'tC. hadD. did( )6.－Tell him about the news when he ____ ,John. －Y es, I will.（宁波）A comesB will comeC wouldD is coming( )7.Do you know when he ______ tomorrow?A. arrivesB. will arriveC. arriveD. will arrives( )8.Don’t leave until he ___ back.（广东）A have comeB comesC will comeD came( )9.I will phone you as soon as she _____________ the station.(广东)A. arrives atB.will arrive atC. arrives inD. will arrive in( )10.If you insist climbing the tree, you _______ hurt yourselfA. mayB. will mayC. will beD. /综合检测一. 单项选择( )1.–What a hot day! Have you had a drink? -- Y es, but I’d like to have after work.A itB oneC otherD another( )2.-- Have you got a ticket the Opening Ceremony of the Beijing Olympics?-- Y es, I got it my uncle.A of, fromB to, byC to, fromD or, to( )3. Lily Sam likes popular songs, so they went to Zhou Jielun’s concert together last night.A Both, andB Either, orC Not only, but alsoD Neither, nor( )4.Miss White teaches ______ maths.A. weB. ourC. usD. ours( )5.---Is that dog ? ---No．is yellow．A．his；His B．her；Itis C．he；His D．her；Her( )6.---Must we go there together at once?---______ you ______ he goes there because only one student is needed.A. Both; andB. Either; orC. Neither; norD. Not only; but also( )7.—Could you tell me _______?—Y es, he _______to the Disneyland.A. where was Daming; have beenB. where Daming was; have goneC. where is Daming; has beenD. where Daming is; has gone( )8.I don’t know if it ______ tomorrow. If it ______, we’ll have a picnic.A. rains; rainsB. will rain; will rainC. rain, doesn’t rainD. will rain; doesn’t rain( )9. —Look! How nice the building is! What is it used for? —It____ as a hotel. But I’m not sure.A. must be usedB. will useC. may be usedD. may use( )10. Many people are worried about the housing price that keeps ______ in recent years.A. to riseB. risingC. to raiseD. raising( )11. The old man thanked the girl ______ showed him the way to his son’s home.A. whatB. whichC. whoD. whom( )12. He didn’t rest ______ he finished the work.A. afterB. whenC. whileD. until( )13. Helen made many mistakes in the test. She realized that___is important to be careful.A. thatB. sheC. itD. this( )14. I hate the people ________ don’t help others when they are in trouble.A. whereB. whichC. theyD. who( )15. —We don’t know．—It is said that he was born in Canada．A．what he is B．when he was born C．where he comes from D．if he lives here( )16. I have bought the camera was advertised on TV．A．what B．why C．which D．who( )17. I don’t know .A where does he come fromB what is his nameC what is the matter with himD when will he leave( )18. The students don’t know next.A do whatB how to doC what to doD to do what二. 完形填空Tom grows the nicest vegetables and fruits and the most beautiful flowers in the village. Plants grow in Tom’s garden all through the __1__ and they are much __2__.Tom cuts some flowers for his sitting room table, eats some fruits and vegetables, but he __3__ most of them in the market. His vegetables, fruit and flowers are so __4__ and beautiful that they sold much more __5__ in the market than those of other villagers.How does Tom grow these beautiful things? He is so __6__ that he just sits under his orange tree with his radio.He __7__ the music all day.That is quite true. Tom __8__ things in spring, summer, autumn and winter. After that he sits with his radio. And everything __9__. It is the music that does the work. Tom knows more clearly that music makes the biggest vegetables and the most beautiful flowers. Plants love __10__ as much as people.( )1. A. week B. month C. season D. year( )2. A. better B. worse C. less D. later( )3. A. buys B. sells C. borrows D. lends( )4. A. dear B. bad C. big D. small( )5. A. politely B. quickly C. slowly D. carefully( )6. A. angry B. busy C. tired D. lazy( )7. A. listens to B. hears C. watches D. speaks( )8. A. fills B. plants C. throws D. makes( )9. A. does B. moves C. grows D. plays( )10.A. work B. rain C. stories D. music三. 根据图画内容，在下面空格内填入适当的单词On a fine Friday afternoon, the children were (1) _ ___ happily in the kindergarten (幼儿园). Some were dancing, some were singing and (2) _ ___ were playing with a ball.It was about half past three when a strong man in (3) _ ___ walked into the kindergarten. He looked around and then came over to a little boy (4) _______ Xiao Ming. He caught the boy’s arm. He wanted to take the boy away for a lot of money (5) the boy’s father was a rich man in the town. The boy (6) loudly.Miss Lin was the teacher (7) duty that day. When she saw that, she rushed to the man and called out,―Stop! Stop! Don’t hurt the boy!‖ The strong man brought out a knife and shouted back, ―Go away! (8) I will kill you!‖ Miss Lin wasn’t (9) . She stood in front of the boy to stop the man, ―Let the boy go!‖ The bad man was so angry that he waved (挥舞) his knife and hurt Miss Lin’s hand with it.Another teacher (10) the noise. She called the policeman quickly. The boy was saved.How brave (勇敢的) Miss Lin was!。
2012-2013学年初二下学期英语周末辅导试卷(第18周)Unit 10 It’s a nice day, isn’t it
2012-2013学年初二下学期英语复习题（第18周）姓名：______________ 成绩：_______________Unit 10 It’s a nice day, isn’t it?关于反意疑问句的构成，有以下几点值得注意一. 主语是everybody, everyone, someone, no one, nobody, somebody等指人的合成词时，反意疑问句的主语在正式语体中通常用he。
少数用theyEverybody knows what he has to do, doesn’t he?Nobody phoned while I was out, did they?主语是everything, anything, something, nothing等指物的合成词时，反意疑问句主语只能用it。
Nothing could stop them, could it?二. There’s no help for it, is there?There’s something strange, isn’t there?三. 陈述部分带有seldom, hardly, never, rarely, few, little, nowhere, nothingFather rarely got drunk, ____________? Few people know him, ____________?如果陈述部分的否定词仅带有否定前缀，那么……She was unsuccessful, wasn’t she?四. 如果陈述部分的主语是I’m…结构，反意疑问句的附加部分一般用aren’t II am an adult, aren’t I?五. 主句是I suppose, I think, I believe, I suspect, I imagineI suppose (that) he’s funny, isn’t he?I don’t think (that) she likes my clothes, does she?六. 在由“祈使句＋附加疑问句”构成的反意疑问句中，附加疑问部分一般用will youDon’t close the window, will you?但是，在以let’s开头的祈使句之后，附加疑问部分用shall we。
(第18周)(初三英语)期末总复习(一)
2012—2013学年度上学期高一英语周末辅导试卷—（第18周）学生姓名：成绩：Unit5 music基础知识检测、一一、写出下列单词的变化形式1.音乐（n.）_____________；音乐的（adj.）_____________；音乐家（n.）_____________2.表演；履行（v.）_____________；表演，节目（n.）_____________；表演者（n.）_____________3.做事,行为（ v.&n .）__________________；行为过程（n.）__________________；男演员（n.）__________________；女演员（n.）__________________4.赚,挣得（v.）_____________；挣钱者,挣钱的生意（n.）_____________；薪水,收入（n.）_____________5.幽默,诙谐（n.）__________________；幽默的,诙谐的（adj.）__________________6.吸引（v.）_____________；吸引力,魅力（n.）_____________；吸引人的,有吸引力的（adj.）_____________7.邀请（v.）_____________；邀请,招待（n.）_____________；诱人的（adj.）_____________二、活学活用 用所给单词的正确形式填空。
1.Y esterday Mary _____________ me to dinner and to my joy, the dish she prepared was _____________.(invite)2.She enjoys playing all kinds of _____________ instruments and she wishes one day she would become the best _____________ of the world. (music)3.She was a _____________ girl and her writings were full of _______ .(humour)4.When the police found out the _____________ was actually lying, they decided to take _____________and they arrested her the following day. (act)Unit 5 Music基础知识检测、二一、请根据各句上下文的意义，选择正确的单词填入空白处。
江苏省溧阳市南渡高级中学2012-2013学年高二上学期周练物理试题 第18周
南渡高中2012高二物理第18周周练试卷班级：__________ 姓名:__________ __ 学号：___________一、选择题（ ）1.如图所示，为一简谐横波某时刻的波形图，已知质点F 此时的振动方向向下，则下列说法中正确的是：A 、波向右传播B 、质点B 比质点C 后回到平衡位置 C 、质点E 比质点D 的速度大 D 、质点C 的加速度不为零（ ）2.下列关于简谐振动和简谐波的说法，正确的是：A ．媒质中质点振动的周期一定和相应的波的周期相等B ．媒质中质点振动的速度一定和相应的波的波速相等C ．波的传播方向一定和媒质中质点振动的方向一致D ．横波的波峰与波谷在振动方向上的距离一定是质点振幅的两倍 （ ）３.如图所示，一列机械波沿x 轴传播，波速为16m/s ，某时刻的图象如图，由图可知A ．这列波的波长为16mB ．这列波传播8m 需2s 时间C ．x=4m 处质点的振幅为0D ．x=6m 处质点将向y 轴正向运动（ ）４.做简谐振动的单摆摆长不变，若摆球质量增加为原来的4倍，摆球经过平衡位置时速度减小为原来的1/2，则单摆振动的： A ．频率、振幅都不变B ．频率、振幅都改变C ．频率不变、振幅改变D ．频率改变、振幅不变（ ）５.一束光由空气射入某介质时，入射光线与反射光线间的夹角为90°，折射光线与反射光线间的夹角为105°，则该介质的折射率及光在该介质中的传播速度为（ ）６.如图所示，光线由空气进入半圆形玻璃砖，再由玻璃砖进入空气中（O 为圆心），其中正确的光路图是：（ ）7.同一音叉发出的声波同时在水和空气中传播，某时刻的波形曲线见图，AB CDE FGH以下说法正确的是：A．声波在水中波长较大，b是水中声波的波形曲线。
B．声波在空气中波长较大，b是空气中声波的波形曲线C．水中质点振动频率较高，a是水中声波的波形曲线D．空气中质点振动频率较高，a是空气中声波的波形曲线（）８.图示为一列沿x轴负方向传播的简谐横波，实线为t＝0时刻的波形图，虚线为t＝0.6 s时的波形图，波的周期T＞0.6 s，则：A.波的周期为2.4 sB.在t＝0.9s时，P点沿y轴正方向运动C.经过0.4s，P点经过的路程为4mD.在t＝0.5s时，Q点到达波峰位置（）９.图甲为一列简谐横波在t=0.10s时刻的波形图，P是平衡位置为x=1 m处的质点，Q是平衡位置为x=4 m处的质点，图乙为质点Q的振动图象，则A.t=0.15s时，质点Q的加速度达到正向最大B.t=0.15s时，质点P的运动方向沿y轴负方向C.从t=0.10s到t=0.25s，该波沿x轴正方向传播了6 mD.从t=0.10s到t=0.25s，质点P通过的路程为30 cm（）１０.如图某透明物质制成的等腰直角棱镜ABO，AO=BO=16cm，将棱镜置于直角坐标系中，从OB边的C点注视A棱,发现A的象在位置D处，在C、D两点插上大头针，测得C、D两点坐标分别为（0，12）和（9，0），则该物质的折射率为：A．4/3 B．5/4C．5/3 D．3/2二、填空题1、画出如图4中所示波形图再经T/2后的波形（该波沿x 轴负方向传播）。
2011-2012学年高一下学期英语周末辅导试卷(第18周)必修4 Unit 5
2012-2013学年高一下学期英语复习题（第18周）姓名：______________ 成绩：_______________必修4 Unit 5Ⅰ.用所给的词的适当形式填空1. The audience was ________by the performance in the ________park. (amuse)2. She ________her dress as fashion changes when she was a young lady because she had ________kinds of dress at that time. (vary)3. I think her ________of the article is much better than his which has been ________into many languages. (translate)4. Thailand, a country that mainly depends on ________，has become a popular destination with many ________.(tour)5. City life holds few ________for me；I don’t find it ________at all. (attract)1．The new library ________ completion.2. We are keeping ________ with the latest developments.3. Winning the medal was like a dream ________.4. One should always ________ his opinions ________ facts.5. We went on an ________ to London.6. She ________ great ________ her clothes.7. To our surprise，the match finally ________ in the second half.8. It’s impossible to know ________ what will happen.9. After he talked with the headteacher ________，he was deeply encouraged.10. It is the first time in my life that I have ________ the true hunger.Ⅲ.完成句子1. I like to ________ (自我消遗)by listening to music.2. When I slid into the classroom, I found myself ________ (碰了个正着) the teacher.3. What he said ________ (与……不同)what he did.4. If he ________ (不靠近)the fire，he wouldn’t have been killed.5. A group of school children arrived，________ (跟随着) their teacher.Ⅳ.完形填空Until 1954 it was thought that no man could run one mile in less than four minutes. As years went by, the record came closer and closer to four minutes and Roger Bannister，a young English athlete, began to believe he might__1__this almost magic barrier.It was a cold afternoon on May 6th, 1954, when Bannister knew he had a__2__chance. Bannister had been__3__hard and was very fit, but the weather conditions were a real__4__to him. Describing the__5__later, Bannistersaid，“On the way to the track the wind blew strongly. As I__6__for the start I glanced at the flag. It moved__7__now. This was the moment when I made my decision.”“The gun fired. My legs seemed to meet no resistance，as if I was__8__forward by some unknown force. The noise from the faithful__9__gave me greater strength. I felt the__10__of a lifetime had come.”“I was driven on by a__11__of fear and pride. My body had long since used up all its energy but it went on running just the same. This was the critical moment when my legs were strong enough to carry me over the last few yards as they never could have done in previous years. When I leapt at (冲向) the__12__tape, I fell, almost__13__.”“I knew I had done it, even before I __14__the time.The announcement came，‘Result of the one mile... Time，three minutes...’ the rest was__15__in the noise of excitement.”1.A.defeat2.A.realpeting4.A.eagerness5.A.accident6.A.did up7.A.safely8.A.dragged9.A.mass10.A.moment11.A.concentration12.A.starting13.A.unconcerned14.A.offered15.A.stuck B.moveB.LuckyB.TrainingB.pleasureB.eventB.made upB.heavilyB.drawnB.residentsB.periodB.collectionstingB.unconsciousB.toldB.involvedC.beatC.seriousC.fightingC.reliefC.issueC.put upC.thinlyC.pulledC.crowdC.whilebinationC.finishingC.unknownC.announcedC.lostD.breakD.falseD.attendingD.worryD.topicD.lined upD.gentlyD.pushedD.teamD.dateD.classificationD.runningD.unnoticedD.heardD.spreadⅤ.阅读理解AWhen women sit together to watch a movie on TV, they usually talk simultaneously (同时地) about a variety of subjects, including children, men, careers and what’ s happening in their lives. When groups of men and women watch a movie together, the men usually end up telling the women to shut up.Men can either talk or watch the screen — they can’t do both —and they don’ t understand that women can. Besides, women consider that the point of all getting together is to have a good time and develop relationships — not just to sit there like couch potatoes staring at the screen.During the ad breaks, a man often asks a woman to explain the plot and tell him where the relationship between the characters is going. He is unable, unlike women, to read the subtle body language signals that reveal how the characters are feeling emotionally. Since women originally spent their days with the other women and children in the group, they developed the ability to communicate successfully in order to maintain relationships. For a woman, speech continues to have such a clear purpose: to build relationships and make friends. For men, to talk is to relate the facts.Men see the telephone as a communication tool for sending facts and information to other people, but a woman sees it as a means of bonding. A woman can spend two weeks on vacation with her girlfriend and, when she returns home, telephone the same girlfriend and talk for another two hours.There is no convincing evidence that social conditioning, the fact that girls’ mothers talked to them more, is thereason why girls talk more than boys. Psychiatrist Dr Michael Lewis, author of Social Beha v iour and Language Acquisition, conducted experiments that found mothers talked to, and looked at, baby girls more often than baby boys. Scientific evidence shows parents respond to the brain bias of their children. Since a girl’ s brain is better organized to send and receive speech, we therefore talk to them more. Consequently, mothers who try to talk to their sons are usually disappointed to receive only short grunts in reply.1．While watching TV with others, women usually talk a lot because they________.A. are afraid of awkward silence with their families and friendsB. can both talk and watch the screen at the same timeC. think they can have a good time and develop relationshipsD. have to explain the plot and body language to their husbands2．After a vacation with her girlfriend, a woman would talk to her again on the phone for hours in order to________.A. experience the happy time againB. keep a close tie with herC. recommend her a new scenic spotD. remind her of something forgotten3．What does the author want to tell us most?A. Women’s brains are better organized for language and communication.B. Women love to talk because they are more sociable than men.C. Men do not like talking because they rely more on facts.D. Social conditioning is not the reason why women love talking.4．Which of the following would be the best title for the passage?A. Women Are Socially Trained to TalkB. Talking Maintains RelationshipsC. Women Love to TalkD. Men Talk Differently from WomenB(2008年安徽)When I was a child, I often dreamed of the time when I could leave home and escape to the city. We lived on a farm and，in the winter especially, we were quite cut off from the outside world. As soon as I left school, I packed my bags and moved to the capital. However, I soon discovered that city life has its problems too.One big disadvantage is money—it costs so much to go out，not to mention basics like food and housing. Another disadvantage is pollution. I suffer from asthma (哮喘), and at times the air is so bad that I am afraid to go outside. Then there is the problem of traveling round. Although I have a car, I seldom use it because of the traffic jams. One choice is to go by bicycle，but that can be quite dangerous.Of course there are advantages. First, there is so much to do in the city，whatever your tastes in culture or entertainment (娱乐活动). Besides, there are wonderful jobs and greater chances of moving to a more important job or position. Finally，if you like shopping, the variety of goods is very surprising—and, what is more, shops are often only a short walk away.Is life better then，in the city? Perhaps it is，when you are in your teens(十几岁)or twenties. However, as you get older，and especially if you have small children, the peace of the countryside may seem preferable. I certainly hope to move back there soon.5. What was the writer always thinking about when he was a child?A. Staying on the farm.B. Moving to the countryside.C. Leaving home for the city.D. Running away from the school.6. Which of the following is TRUE about the writer?A. He is very old now.B. He is in good health.C. He prefers driving a car.D. He lives in the city now.7. In the passage, the writer tries to________.A. express his opinions about way of lifeB. describe his life in the countrysideC. show an interest in the outside worldD. persuade the reader to live in the city8. How is the passage mainly developed?A. By inferring.B. By comparing.C. By listing examples.D. By giving explanations.Ⅵ.话题写作训练读写任务阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
2012-2013学年初一下学期英语周末辅导试卷(第18周)Unit12 What did you do last weekend
2012-2013学年初一下学期英语复习题（第18周）姓名：______________ 成绩：_______________Unit12 What did you do last weekend?II短语归纳1.do my homework2.go to the cinema3.go boating4.by the lake5.go to the beach6.play badminton7.visit my grandma8.study for the English test9.the Natural History Museum10.kind of11.stay up12.give back 13.be afraid14.play the guitar15.go to the library16.in a swimming pool17. shout at18.high school19.fly kites 、20.go camping21.put up22.make a fire23.tell stories24.each other25.go to sleep26.get a surprise27.shout to28.up and down29.wakeup30.do my homework31.on Saturday morning32.have a good weekend33.the next morning34.work as35.run away36.move intoIII用法集萃1.go+doing 去做某事2.play+球类玩……球3.时间段+ago ……前4.keep+sb./sth. +形容词/副词/介词短语使……保持……5.so+形容词/副词+that句子如此……以至于……6.see sb. doing sth.看见某人正在做某事7.let sb. do sth. 让某人做某事8.start to do/doing sth. 开始做某事IV重点句子5.I worked as a guide at the Natural History Museum.6.Really? How interesting!7.I stayed up late to watch the soccer game.8.He lost his keys. But somebody found them and gave them back to him.9.Baby Mouse was afraid and climbed onto his father's back.10.That's why it's important to learn a second language.st weekend was interesting but scary.12.There we put up our tents and made a fire to keep us warm and cook food on.13.On the first night, we just sat under the big moon and told each other stories.，14.But I was so tired that I went to sleep early.15.I was so scared that I couldn't move.16.My dad started to jump up and down in their tent.2011—2012学年度第二学期期末质量检测七年级英语试题第一节语法和词汇(共15小题，计15分)26. -----Where is Sydney? -----In __________.A. CanadaB. FrenchC. AustraliaD. Singapore27. The girl _______quite tall and ________ a medium build.A. is, isB. is, hasC. has, isD. has, has28. Be quiet! The children _________.A. sleepingB. is sleepingC. are sleepingD. be sleeping29. Mum, can you give me some _____ _______ a taxi?A. money, forB. moneys, toC. money, toD. moneys, for30. “The old man likes to _______ jokes.” our teacher _______.A. tell, toldB. tell, saidC. say, saidD. speak, said31. There _____ some beef, tomatoes and broccoli in the basket.A. beB. isC. areD. were32. Kelly, ________ girl wants to be a reporter.A. a 8-year-oldB. a 8-years-oldC. an 8-year-oldD. an 8-years-old33. Did they _______ fun in the music room? -- Yes, they had great fun _________ the music.A. have, listening toB. had, listening toC. have, hearD. had, hear34. ---- Do you know the woman ______ glasses? -Yes. And the girl _____ red is hr daughter.A. with, withB. in, withC. in, inD. with, in35. The pretty woman has ____________hair.A. curly long brownB. long curly brownC. brown curly longD. curly brown long36. ----- _____________? ----- He’s a police officer.A. What does your mother doB. What is your father doC. What does your brother like?D. What is your father37. -----Don’t run in the hallways. ------___________________.A. Yes，I do.B. No, I don’tC. Sorry, Mr. LinD. You’re welcome.38. ----- _______ do your cousin like koalas? ----- Because they are very cute.A. HowB. WhyC. WhatD. Where39. ____the morning they usually do sports. But_____ yesterday morning they cleaned their room.A. In, onB. In, /C. On, onD. In, in40. ---- Is your teacher friendly ______you? ---- Yes, he is very good ______us.A. to, toB. with , withC. to, forD. with, to第二节完形填空(共10小题，计10分)Are you good at English？Would you 41 to do well in English? Well, let me 42 you a way to learn English 43 . It is by writing diaries in English.When I 44 in Grade One, my English was not very good. My English teacher，Mr. Xu asked me to write diaries in English. At first. It was 45 difficult for me, but now I think it is very 46 . I like reading, listening and speaking.47 I often go to the Xinhua Book Store to 48 English stories for about three hours.I 49 watch often. Now I’m very good at English. I think50 diaries is one of the best ways to help you with your English study.41.A.like42.A.talk43.A.nice44.A.was45.A.a few B.wantB.tellB.fineB.fineB.a littleC.to likeC.to talkC.wellC.areC.fewD.to wantD.to tellD.goodD.wereD.little46.A.difficult47.A.Always48.A.say49.A.don’t50.A.saying B.interestingB.AfterschoolB.speakB.am notB.writingC.easyC.SometimesC.talkC.didn’tC.listeningD.boringuallyD.readD.wasn’tD.talking第三部分阅读理解(共20小题，计30分)（A）Monday… oh, I don’t like Monday because I’ll have to go back to school again after the weekend. Tuesday is not so bad.I usually play tennis with my frie nds after school. On Wednesday evening I don’t go out. I stay at home and do my homework. I like Thursday because the next day is Friday. I always go out on Friday—maybe to the cinema. I love the weekend. On Saturdays I stay in bed until(直到) lunchtime, and I sometimes go to the shops in the afternoon. In the evening we go to a club-there are good bands there every Saturday. Then on Sundays I go to my friend’s house or she comes to mine. I usually visit my grandmother for an hour in the afternoon. Then the w eekend is over and it’s Monday … and I feel bad again!51 The writer doesn’t like Monday because ________.A. Monday is the first day of a weekB. he just spent a happy weekendC. Monday is the first school day of a weekD. he will have many lessons on Monday52. The writer thinks Tuesday is not so bad because _________.A. he can play tennis with his friendsB. he has no homework to doC. he has a P.E. classD. he is free53. The writer may go to the movies on _______.A. MondayB. TuesdayC. WednesdayD. Friday54. What does the writer not do on weekends?A. Stay in bed until lunchtime.B. Watch football games on TV.C. Go to his friend’s house.D. Go shopping in the markets.55. From the text, we know that the writer ________.A. doesn’t li ke school very muchB. likes to stay at homeC. only likes FridayD. only likes Saturday（B）Mike is nine this year. He is in Grade Three. His father drives a car in a factory and his mother works in a hospital.It's a Saturday afternoon, Mike i s sitting in the room and reading a book. Kate comes up to him and says, “Brother! Mummy wants you to help her.”“What does she want me to do?” asks the boy. “To wash the apples or to cut the cakes?”“Neither,” answers Kate. “She’s watering flowers in the garden. She wants you to carry some water for her.”“Why don’t you do that?”“Mummy says I’m too young.”“Don’t you see I’m busy now?”“What are you doing here, then?”“I’m reading a book. I can’t go there.”“Is this an interesting book?”“Yes, it is.”“Well, let me help you read the book and you go to help her,” says Kate.56. There’re ____ people in Mike’s family.A twoB threeC fourD rive57 Kate is Mike’s _____.A elder sisterB young sisterC elder brotherD younger brother58 Tom doesn’t go to school because_____.A it’s SaturdayB he’s illC he wants to read the bookD he wants to help his mother 59Tom doesn’t want to help his mother because____A he’s very busyB he has some homework to doC he’s very hungryD he’s very lazy60 Kate comes to Mike and wants_____.A to read the bookB to carry waterC to water flowersD him to help their mother（C）Green Trees GymSwimming Mon. ～Sun. 8.00 a.m ～8.00 p.mBasketball Sat. ～Sun. 8.00 a.m ～6.00 p.mV olleyball Mon. ～Sat. 10.00 a.m ～6.00 p.mAerobics Mon. ～Sun. 6.00 a.m ～9.00 p.mTel: 6227225E-mail: greentrees@Fish Balls GymSwimming Mon．～Fri．6：00 a．m．～6：00 P．m．Basketball Mon．～Sun．8：00 a．m．～6：00 P．m．V olleyball Mon．～Sun．8：00 a．m．～6：00 P．m．Aerobics Mon．～Sun．8：00 a．m．～6：00 P．m．Tel：658941761. I want to go swimming on Sunday．Where Can I go?A. Green Trees Gym.B. Fish Balls Gym．C. Both A and B.D. You can’t go swimming on Sunday．62. I want to play basketball on Sunday morning. Where can I go?A. Green Trees Gym.B. Fish Balls Gym.C. Both A and B.D. Green Balls Gym.63.I play volleyball at 9：00 every morning．Where can you find me?A. Green Trees Gym.B. Fish Balls Gym．C. Both A and B.D. At home．64.I do aerobics every afternoon．So you can call me at 6589417．Do you know where I'm going to be?A. At Green Balls Gym．B. At Fish Balls Gym．C. In the school．D. On the playground．65.Which gym accepts(接受)mail on computers?A. Green Balls Gym．B. Fish Balls Gym．C. Green Trees Gym．D. Fish Trees Gym．(D)Clay is 13 years old, and he lives in Miami, the United States. On the morning of Feb.23, when Clay is waiting for school bus, a man kidnaps(绑架) him.The man takes him to a tree. He puts a stock in Clay’s mouth. Then he asks for money from Clay’s family.Clay is very scared(害怕). But he remembers there is a safety pin(安全别针) in his pocket. He takes out the pin and cuts through the rope(绳子). Finally he gets free. Clay calls his motherwith a farmer’s cell phone. Soon the police comes and Clay i s safe.The police thinks highly of(高度评价) Clay. “This man kidnaps the wrong boy,” Charly Wells, a policeman says. “This boy notices things. And he’s very brave(勇敢).”66. The man kidnaps Clay ___.A. on Clay’s way homeB. on Clay’s way to schoolC. when Clay is shoppingD. in a park67. After taking Clay to a tree, the man ___.A. kills（杀死）the boyB. hurts the boyC. asks for money from his familyD. calls the police68. Clay uses___ to help him run away.A. a ropeB. a safety pinC. a gunD. a knife69. We can tell from the story that Clay is ___.A. braveB. smartC. both A and BD. hard-working70. Why does the police say “This man kidnaps the wrong boy” Because Clay is _____A. a foreign boyB. braveC. too youngD. a policeman’s son(二) 综合填空rain, China, July 16th , play, crowded, Tuesday, decide, exciting, ourToday is 76____________, 77__________. In the morning, we went to a beautiful beach. We had great fun 78 _________ in the water. There were many people on the beach. It was very 79___________. But we enjoyed 80 ___________. In the afternoon, it 81 _________, so we 82 ___________ to go to a museum. It was interesting. I learn a lot about China 83 _________history. That made me feel very 84 _________. At last, we 85 _________ a taxi to a hotel. 第三部分写作(共15分)请从以下几个方面介绍一下你的朋友：1. 国籍、年龄、语言、居住地2. 最喜爱的电影、学科、动物及原因3. 长相、爱好4. 一起做过的事情及感受要求：要点齐全，语句通顺，意思完整，书写整洁，不少于80词。
2012-2013学年高二下学期英语周末辅导试卷(第18周)必修8 Unit 5
2012-2013学年高二下学期英语复习题（第18周）姓名：______________ 成绩：_______________必修8 Unit 5Ⅰ.用所给的词的适当形式填空1. The pencil was not ________，so he ________ it with a________. (sharpen)2. In the final ________，I think we must try to ________the causes of his many shallow and wrong ________that he showed to the pupils. (analysis)3. His family’s wealth is ________into four parts, but they don’t think the ________is fair. (divide)4. She used to suffer from ________ but now she ________herself to try to lose weight. (starve)5. While working out the problem, you should pay more attention to the ________. You must measure the length ________in order to get the ________number. (accurate)Ⅱ.完成句子1. The game ______________(因下雨中断了)．2. I didn’t see your car，so I ________________(认为你出去了)．3. My teacher is always smoking in class, ________________(不管学生的健康)．4. You can’t even cut up meat with the knife，it ____________ (需要磨一下)．5. Efforts ____________(维护和平) have failed.6. The book gives a ________________(贫困及其根源的详细分析)Ⅲ.完形填空In the depths of my memory, many things I did with my father still live. These things have come to represent, in fact, what I call__1__and love.I don’t remember my father ever getting into a swimming pool. But he did__2__the water. Any kind of __3__ride seemed to give him pleasure.And he loved to fish；sometimes he took me along.But I never really liked being on the water, the way my father did. I liked being in the water, moving through it，__4__it all around me. I was not a strong __5__，or one who learned to swim early, for I had my __6__. But I loved being in the swimming pool close to my father’ s office and__7__those summer days with my father, who would come by on a break. I needed him to see what I could do. My father would stand there in his suit, the__8__person not in swimsuit.After swimming, I would go inside his office and sit on the wooden chair in front of his big desk, where he let me__9__anything I found in his top desk drawer. Sometimes，if I was left alone at his desk__10__he worked in the lab，an assistant or a student might come in and tell me perhaps I shouldn’t be playing with his__11__. But my father always__12__and said easily，“ Oh，no，it’ s__13__.”Sometimes he handed me coins and told me to get __14__an ice cream...A poet once said，“We look at life once，in childhood；the rest is__15__.”And I think it is not only what we“ look at once, in childhood” that determines our memories, but who，in that childhood，looks at us.1. A. desire2. A. avoid3. A. boat4. A. having5. A. swimmer6. A. hopes7. A. spending8. A. next9. A. put up10. A. the moment11. A. fishing net12. A. stood up13. A. fine14. A. the student15. A. memory B. joyB. refuseB. busB. leavingB. riderB. faithsB. savingB. onlyB. break downB. the first timeB. office thingsB. set outB. strangeB. the assistantB. wealthC. angerC. praiseC. trainC. makingC. walkerC. rightsC. wastingC. otherC. play withC. whileC. wooden chairC. showed upC. terribleC. myselfC. experienceD. worryD. loveD. bikeD. gettingD. runnerD. fearsD. ruiningD. lastD. work outD. beforeD. lab equipmentD. turned outD. funnyD. himselfD. practiceⅣ.阅读理解AMy grandfather came from Hungary and was the only one in his family who settled down in the United States. The rest of his family remained in Europe. When World War I broke out, he seemed to have become another man, downhearted. Such obvious change was not born out of concern for his welfare, but out of fear: if his only son, my uncle, had to go to war, it would be cousin fighting against cousin.One day in 1918 ，my Uncle Milton received his draft_notice. My grandparents were very upset. But my mother, at the age of 10 ，felt on top of the world about her soldier brother going off to war. Realizing how he was regarded by his little sister and all of her friends, my uncle bought them all service_pins,_which meant that they had a loved one in the service. All the little girls were delighted.The moment came when my uncle and the other soldiers, without any training but all in uniforms, boarded the train. The band played and the crowd cheered.Although no one noticed, I’m sure my grandmother had a tear in her eye for the only son. The train slowly pulled out, but not about a thousand yards when it suddenly paused. Everyone stared in wonder as the train slowly returned to the station. There was a dead silence before the doors opened and the men started to step out. Someone shouted, “The war is over ！” For a moment, nobody moved, but then the people heard someone bark orders at the soldiers. The men lined up in two lines, walked down the steps, and with the band playing，marched down the street, as returning heroes, to be welcomed home.My mother said it was a great day, but she was just a little disappointed that it didn’t last a tiny bit longer.1．What the grandfather was most worried about was______.A. the spread of the world warB. the safety of his two cousinsC. a drop in his living standardsD. his relatives killing each other2．The underlined phrase“draft notice” means“________”．A. order for army serviceB. train ticket for EuropeC. letter of rejectionD. note of warning3．What did the“ service pins” ( in Para. 2 ) stand for in the eyes of the little girls?A. Strength.B. Courage.C. Victory.D. Honor.4．Which of the following words can best describe the ending of the story?A. Disappointing.B. Unexpected.C. Uncertain.D. Inspiring.BNapoleon，as a character in Tolstoy’s War and Peace, is more than once described as having “fat little hands.”Nor does he “sit well or firmly on the horse. ”He is said to be “undersized，” with “short legs” and a “round stomach”. The issue here is not the accuracy of Tolstoy’s description—it seems not that far off from historical accounts—but his choice of facts: other things that could be said of the man are not said. We are meant to understand the difference of a warring commander in the body of a fat little Frenchman. Tolstoy’s Napoleon could be any man wandering in the streets and putting a little of powdered tobacco up his nose—and that is the point.It is a way the novelist uses to show the moral nature of a character. And it turns out that, as Tolstoy has it, Napoleon is a crazy man. In a scene in Book Three of War and Peace, the wars having reached the critical year of 1812, Napoleon receives a representative from the Tsar (沙皇), who has come with peace terms. Napoleon is very angry: doesn’t he have more army? He，not the Tsar，is the one to make the terms. He will destroy all of Europe if his army is stopped. “That is what you will have gained by engaging me in the war！”he shouts. And then, Tolstoy writes, Napoleon “walked silently several times up and down the room, his fat shoulders moving quickly.”Still later, after reviewing his army amid cheering crowds, Napoleon invites the shaken Russian to dinner. “He raised his hand to the Russian’s... face，” Tolstoy writes, and “taking him by the ear pulled it gently...” To have one’s ear pulled by the Emperor was considered the greatest honor and mark of favor at the French court. “Well, well, why don’t you say anything？said he，as if it was ridiculous in his presence to respect any one but himself, Napoleon.Tolstoy did his research，but the composition is his own.5. Tolstoy’s description of Napoleon in War and Peace is________.A. far from the historical factsB. based on the Russian historyC. based on his selection of factsD. not related to historical details6. Napoleon was angry when receiving the Russian representative because________.A. he thought he should be the one to make the peace termsB. the Tsar’s peace terms were hard to acceptC. the Russians stopped his military movementD. he didn’t have any more army to fight with7. What did Napoleon expect the Russian representative to do?A. To walk out of the room in anger.B. To show agreement with him.C. To say something about the Tsar.D. To express his admiration.8. Tolstoy intended to present Napoleon as a man who is________.A. ill mannered in dealing with foreign guestsB. fond of showing off his iron willC. determined in destroying all of EuropeD. crazy for power and respect9. What does the last sentence of the passage imply?A. A writer doesn’t have to be faithful to his findings.B. A writer may write about a hero in his own way.C. A writer may not be responsible for what he writes.D. A writer has hardly any freedom to show his feelings.Ⅴ.话题写作训练读写任务阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
人教版小学六年级上册数学周末练习卷(第18周)
六年级上册数学周末练习卷（第18周） 学校 班级 姓名____________一、选一选1.在一个有40个学生的班级里选出一名同学担任班长。
选举结果如下表，下面（ ）图表示了这一选举结果。
A. B. C. D.2.周敏一月各项消费情况如图所示，下面说法正确的是（ ）。
A. 从图中可以看出各项消费数额B. 从图中可以看出总消费数额C. 从图中可以看出餐费占总消费额的40%，且在各项消费中最多3.能清楚的表示各部分数据与总量之间的关系应该用（ ）；（ ）不但可以表示出数量的多少，而且能够清楚地表示出数量增减变化的情况。
A. 条形统计图B. 扇形统计图C. 折线统计图4.2020年7月入汛以来，安徽巢湖、江西鄱阳湖、江苏太湖三大淡水湖依次“水满为患”，要表示出7月4日这三大淡水湖的水位情况，用（ ）表示比较合适；要表示出安徽巢湖2020年7月1日-20日的水位变化情况，用（ ）表示比较合适。
要表示出安徽巢湖2020年7月1日-20日的最高水位超过警戒水位的天数占总天数的百分之几，用（ ）统计图表示比较合适。
A. 条形统计图 B. 扇形统计图 C. 折线统计图5.观察图中每一个大三角形中白色的三角形的排列规律，则第5个大三角形中白色的三角形有（ ）A. 82个B. 154C. 83个D. 121个6.搭建如图(1)所示的帐篷需要17根钢管,若这样的帐篷按图(2)、图(3)的方式串起来搭建,则可节省结合处的钢管,那么串搭20顶这样的帐篷需要( )根钢管。
A. 340B. 225C. 226D. 227二、填一填,算一算 姓名 小李 小林 小陈票数 20票 6票 4票1.下图是六(1)班同学参加课外活动小组情况的统计图。
（1）参加文艺小组的同学占全班总人数的________。
（2）参加体育小组的同学占全班总人数的_______。
（3）参加美术小组的同学占全班总人数的______。
（4）文艺小组的圆心角是______________（列式计算）。
(第18周)(初二英语)Unit7-12. Grammar语法
2012—2013上学期一对一周末辅导试卷—（第18周）学生姓名：成绩：Unit7-12. Grammar语法时态一一、单选( )1 Jenny ____ in an office. Her parents ____in a hospital.A work; worksB works; workC work; are workingD is working; work ( )2 One of the boys_____ a black hat.A haveB there isC there areD has( )3 We will go shopping if it____ tomorrow.A don't rain Bdidn't rain Cdoesn't rain Disn't rain( )4 He said the sun ____in the east and ____in the west.A rose; setB rises; setsC rises, setD rise; sets( )5 Wang Mei ____ music and often ____ to music.A like; listenB likes; listensC like; are listeningD liking ; listen ( )6 Jenny____ English every evening.A has studyB studiesC studyD studied时态二一、单选( )1、Look! He _____their mother do the housework.A. is helpingB. are helpC. is helpD.is helpping( )2 、_____are the boys doing ? They are singing in the room.A .WhoB .How C.What D.Where( )3、Don’t talk here. My mother _____.A. is sleeping B .are sleeping C. sleeping D .sleep( )4 、Danny ______. Don’t call him.A. is writeing B .is writing C.writing D .writes( )5 、–When_____he_____back? –Sorry, I don’t know.A. does,comeB.are comingC.is comeD.is coming二、填空1、It’s ten o’clock. My mother _________(lie)in bed.2、What___________he __________(mend)?3、We ___________(play)games now.4、What __________you_________(do) these days?5、____________he ___________(clean) the classroom?6、Who____________(sing)in the next room?7 、The girl____________(like)wearing a sweater. Look! She ____________(wear)a red sweater today.时态三一选择( )1 She lived there before he____to China.A A. came B. comes C. come D. coming ( )2 I _____but_____nothing.A A . was listened;was hearing B. listened;heardC . have listened; heard D. listened; heard of( )3 When did you ____here?A. got toB. reachedC. arrive inD. reach ( )4 I____my homework at 7:00 yesterday evening.A. finishedB. would finishC. was finishingD. finish ( )5 -He didn't go shopping with you yesterday afternoon, did he? - _______.A. No, he doesn'tB. Y es, he didn'tC. No, he didD. Y es, he did. ( )6 -I have had supper. - When ____you____it?A. have; hadB. do, haveC. did,haveD. will have 二填空1 They____________(be) on the farm a moment ago.2 There____________(be)a shop not long ago.3 Jenny____________(not go)to bed until 11:00 o'clock last night.4 Danny _____________(read )English five minutes ago.5 I _____________(see)Li Lei ____________(go) out just now.6 He ____________(do)his homework every day. But he __(not do)it yesterday.7 When I was young, I _____________(play)games with my friends.8 ---When ____________you_____________(write)this book? I--- _____________it last year.9 Did he____________(have) lunch at home?10 I _____________(eat) the bread, I 'm full now.时态四一、单选( )1 _____you ____a doctor when you grow up?A Will; going to beB Are; going to beC Are; /D Will; be ( )2 I don’t know if his uncle _____. I think he _____ if it doesn’t rain.A will come; comesB will come; will comeC comes; comesD comes; will come ( )3 He will be back _____a few minutes.A withB forC onD in( )4 What time _____we meet at the gate tomorrow?A willB shallC doD are( )5 He will have a holiday as soon as he _____the work next week.A finishesB doesn’t finishC will finishD won’t finish ( )6 There _____some showers this afternoon.A will beB will haveC is going to beD are going to have ( )7 It ____my brother’s birthday tomorrow. She _____a party.A is going to be; will haveB will be; is havingC will be; is going to haveD will have; is going to be( )8 Li Ming is 10 years old now, next year he _____11.A isB is going to beC will beD will to be二. 动词的适当形式填空：1．Listen! Who__________(sing) in the classroom?2,May I___________(come)in? I'm sorry I'm late. It___________(not, matter). Come in ,please.3.Jim usually__________(do) his homework at school,but he____________ (do) it at home now .4,We_________(see)Uncle Wang tomorrow. Would you like_________ (go) with us ? 5,Whynot________(go) boating?6.What about __________(go) on a picnic?综合检测一. 单项选择( ) 1.Tom goes to school ________every day.A. by a busB. by his bikeC. by busesD. on foot ( ) 2. It _____ my daughter half an hour _______ her homework last night.A. takes, to finishB. took, finishC. took, to finishD. took, finished ( ) 3.--- Would you like to play football with us? ---____________.A. Y es, I can.B. Y es, please.C. Y es, I’d like to.D. Y es, I’d like ( ) 4.Her dress is _________than ________.A. more beautiful, mineB. more beautiful, myC. the most beautiful, ID. beautiful, me ( ) 5. It’s ______ colder today than it was yesterday.A. veryB. moreC. muchD. little( ) 6.--______ does your father do morning exercises?—Hardly ever.A. HowB. How oftenC. WhenD. What time ( ) 7._____is important for us _______sports every dayA. It; doB. That; to doC. This; to doD. It; to do. ( ) 8. --- _____________ ? – I have a sore back.A. What’s the wrongB. What’s matterC. What’s troubleD. What’s wrong ( ) 9. Mr Green ______for America the day after tomorrow.A. leftB. leavesC. is leavingD. is going to leave ( ) 10.--- Let’s make a banana milk shake. ---_________________.A. That’s a good idea.B. Y ou’re welcomeC. Thank you.D. No, we don’t. ( ) 11.Put the ingredients in the container and _________, please.A. mix up itB. mix it upC. mix up themD. mix them up ( ) 12.The classroom is _______small _______hold (容纳) so many students.A. enough, toB. so, thatC. too, toD. very, to ( ) 13.There_______ a wonderful football match between Spain and Italy next week.A. will haveB. is going to haveC. is going to beD. is( ) 14.– Could you please sweep the floor? --________. I’m busy with my homework.A. Y es, sure.B. Why not?C. Sorry, you can’t.D. Sorry, I can’t. ( ) 15. I’m hungry. Would you please give me ______to eat?A. delicious somethingB. something deliciousC. anything deliciousD. nothing delicious形容词的比较级和最高级的用法一. 用所给词的正确形式填空：1. Y our room is very _________. It’s much ________ than mine. It’s ________ of all.（big）2. —This coat is too _________. （expensive）. I want to buy a ___________ one than it.—Sorry, this one is ___________ one in the store.（cheap）3. Tom is __________ at math than physics. Sam is ______________ at English in our class.（good）5. —Which unit is ____________ in Book 2, do you think? Is Unit 12 _____________?（difficult）—I don’t think so. I think it’s a little ____________ than Unit 9. （easy）提建议的表达方法：Shall I / we do / Let's do / Why not do序数词的用法：表示事物的顺序叫序数词。
18周周末评讲
高二生物第18周周末作业评讲
1.(2017·高考全国卷Ⅱ)豆豉是大豆经过发酵制成的一种食品。为 了研究影响豆豉发酵效果的因素，某小组将等量的甲、乙两菌种分 别接入等量的A、B两桶煮熟大豆中并混匀，再将两者置于适宜条件 下进行发酵，并在32 h内定期取样观测发酵效果。回答下列问题： (1)该实验的自变量是______菌__种_________、___发__酵__时__间_________。 (2)如果发现发酵容器内上层大豆的发酵效果比底层的好，说明该 发酵菌是____好__氧__菌____。 (3)如果在实验后，发现32 h内的发酵效果越来越好，且随发酵时 间呈直线上升关系，则无法确定发酵的最佳时间；若要确定最佳发 酵时间，还需要做的事情是_延__长__发__酵__时_间__，__观__测__发_酵__效__果__，__最__好_的。
发酵效果所对应的时间即为最佳发酵时间
(4)从大豆到豆豉，大豆中的成分会发生一定的变化，其中，蛋白 质转变为____氨__基__酸__和__肽____，脂肪转变为_____脂_肪__酸__和__甘__油______。
2.(2015·高考广东卷)泡菜是我国的传统食品之一，但制作过程中 产生的亚硝酸盐对人体健康有潜在危害。某兴趣小组准备参加“科 技创新大赛”，查阅资料得到如图。
5.(2013·全国卷Ⅰ)回答下列有关泡菜制作的问题： (1)制作泡菜时，所用盐水需煮沸，其目的是 _________杀__灭__杂__菌_________________。 为了缩短制作时间，有人还会在冷却后的盐水中加入少量陈泡菜液， 加入陈泡菜液的作用是_______增__加__乳_酸__菌__数__量___________。 (2)泡菜制作过程中，乳酸发酵的过程即为乳酸菌进行 _____无__氧_呼__吸____的过程。该过程发生在乳酸菌细胞的 _______细__胞__质_______中。 (3)泡菜制作过程中影响亚硝酸盐含量的因素有____温__度_____、 ___腌__制__时_间___和__食__盐__用__量__等。 (4)从开始制作到泡菜品质最佳这段时间内，泡菜液逐渐变酸。这 段时间内泡菜坛中乳酸菌和其他杂菌的消长规律是 ________乳__酸__菌__数__量__增_多__，__杂__菌__数__量_减__少______________， 原因是_______乳__酸_菌__比__杂__菌__更__为_耐__酸__________________________。
二年级下数学第十八周专项训练
5.课间操30()。
6.青少年每天睡眠要保证9()。
7.每天晚间新闻联播7()播出，播出时间一共30()。
8.12岁的聪聪跑100米大约用19()。
9.一眨眼的工夫是1()。
10.深呼吸一次大约需要4()。
11.我们从早上8：00到中午12：00在学校学习，则在校的时间是4()。
12.一场足球比赛用时大约为90()。
13.一节课40()。
14.爸爸每天工作8()。
15.李静跑50米的成绩是10()。
16.做一次深呼吸要4()。
二年级数学第十八周专项训练（1）
姓名：
看钟面，写时间
__时__分__时__分__时__分
__时__分__时__分__时__分
__时__分__时__分_择“时、分、秒”填在()里。
1.从1数到5大约需3()。
2.课间休息时间是10()。
3.爸爸一天工作时间是8()。
2020深圳福田区高三第18周地理测试试卷
选择题下列关于地球自转方向的叙述，正确的是：A. 自西向东（正确答案）B. 自东向西C. 在北极上空呈顺时针方向D. 在南极上空呈逆时针方向下列关于人口增长模式的描述，错误的是：A. 原始型人口增长模式特点为高出生率、高死亡率、低自然增长率B. 现代型人口增长模式特点为低出生率、低死亡率、高自然增长率（正确答案）C. 传统型向现代型转变是社会经济发展的结果D. 不同国家和地区的人口增长模式可能相同下列关于城市化对地理环境影响的叙述，正确的是：A. 城市化一定会导致环境质量下降B. 城市化可能会引发地质灾害，如地面沉降（正确答案）C. 城市化对水资源没有影响D. 城市化对气候没有影响下列关于气候类型分布的叙述，正确的是：A. 热带雨林气候主要分布在赤道附近B. 地中海气候主要分布在南北纬30°~40°的大陆西岸（正确答案）C. 温带海洋性气候主要分布在南北纬40°~60°的大陆内部D. 寒带气候主要分布在北极地区，南极地区无寒带气候下列关于工业集聚优点的叙述，错误的是：A. 工业集聚可以降低生产成本，提高经济效益B. 工业集聚可以加强企业间的信息交流和技术协作C. 工业集聚一定会导致环境污染加剧（正确答案）D. 工业集聚可以共享基础设施和公共服务下列关于水循环地理意义的叙述，正确的是：A. 水循环是地球上最活跃的能量转换过程之一B. 水循环只能调节全球的水量平衡C. 水循环是联系四大圈层的重要途径（正确答案）D. 水循环对地表环境没有影响下列关于农业地域类型的叙述，正确的是：A. 季风水田农业以种植小麦为主B. 商品谷物农业主要分布在发展中国家C. 混合农业在澳大利亚等地种植业和畜牧业并重（正确答案）D. 地中海式农业以种植咖啡为主下列关于自然灾害的叙述，错误的是：A. 台风主要发生在热带海洋上B. 寒潮多发生在冬半年C. 干旱是我国农业生产的主要自然灾害之一D. 洪涝灾害只发生在河流下游平原地区（正确答案）下列关于城市化定义的叙述，正确的是：A. 城市化是乡村人口向乡村周边集聚的过程B. 城市化水平越高，说明经济越落后C. 城市化过程中会出现各种社会和环境问题（正确答案）D. 城市化只发生在发展中国家。
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2019-2020学年第二学期
北大培文佛山实验学校七年级数学科十八周末作业
学生姓名_______________家长签名______________
一.选择题(10×3分=30分）
1．计算（﹣a 2b ）3的结果是（ ） A ．﹣a 6b 3
B ．a 6b
C ．3a 6b 3
D ．﹣3a 6b 3
2．计算（x ﹣2）x =1，则x 的值是（ ） A ．3
B ．1
C ．0
D ．3或0
3．计算（a +2）（a ﹣3）的结果是（ ） A ．a 2﹣6B ．a 2+6 C ．a 2﹣a ﹣6 D ．a 2+a ﹣6
4．如图，在边长为a 的大正方形中剪去一个边长为b 的小正方形，再将图中的阴影部分剪拼成一个长方形，若这个拼成的长方形的长为35，宽为15，则图中Ⅱ部分的面积是（ ） A ．100 B ．125 C ．150 D ．175
5．x 2﹣4x +m 2是一个完全平方式，则m 的值是（ ） A ．2
B ．﹣2
C ．+2和﹣2
D ．4
6．图①是一个长为2a ，宽为2b （a ＞b ）的长方形，用剪刀沿图中虚线（对称抽）剪开，把它分成四块形状和大小都一样的小长方形，然后按图②那样拼成一个正方形，则中间空的部分的面积是（ ） A ．ab
B ．a 2+2ab +b 2
C ．a 2﹣b 2
D ．a 2﹣2ab +b 2
7．下列画图语句中正确的是（ ） A ．画射线OP=5cm
B ．画射线OA 的反向延长线
C ．画出A 、B 两点的中点
D ．画出A 、B 两点的距离
8．正方形ABCD 的边长为2，点E 、F 分别是对角线BD 上的两点，过点E 、F 分别作AD 、AB 的平行线，如图所 示，则图中阴影部分的面积之和等于（ ） A ．1
B ．2
C ． 3
D ．4
9．如图，在△ABC 中，∠C=90°，BE 平分∠ABC ，DE ⊥AB 于D ，如果AC=2cm ，那么
完成 日期 得分
AE+DE等于（）
A．2cm B．3cm C．4cm D．5cm
10．如图，矩形ABCD中，AB=1，BC=2，点P从点B出发，沿B→C→D向
终点D匀速运动，设点P走过的路程为x，△ABP的面积为S，能正确反映S
与x之间函数关系的图象是（）
A．B．C．D．
二、填空（6×4分=24分）
11．对于任何实数，我们规定符号的意义是：=ad﹣bc，按照这个规定计算：当x2﹣3x+1=0时，的值为．
12．如图，把一块含45°角的直角三角板的直角顶点放在直尺的一边上，如果∠1=33°，那么∠2为°．
13．从长为3，5，7，10的四条线段中任意选取三条作为边，能构成三角形的
概率是_____________
14．如图，AB=DE，∠B=∠E，使得△ABC≌△DEC，请你添加一个适当的条
件（填一个即可）．
15．已知x2﹣4x+3=0，求（x﹣1）2﹣2（1+x）=．
16．甲、乙两人骑自行车匀速同向行驶，乙在甲前面100米处，同时出发去
距离甲1300米的目的地，其中甲的速度比乙的速度快．设甲、乙之间的距
离为y米，乙行驶的时间为x秒，y与x之间的关系如图所示．若丙也从甲
出发的地方沿相同的方向骑自行车行驶，且与甲的速度相同，当甲追上乙后
45秒时，丙也追上乙，则丙比甲晚出发秒．
三、解答题（46分）
17．计算（6分）
（）﹣2﹣23×0.125+20150+|﹣1|
18．（6分）如图，在平面直角坐标系中，△ABC的
三个顶点都在格点上，点A的坐标为（2，4）．
（1）画出△ABC关于y轴对称的△A1B1C1；
（2）在x轴上找一点P，使△PBC的周长最
小．（标出点P即可，不用求点P的坐标）
19．（8分）父亲告诉小明：“距离地面越远，温度越低，”并给小明出示了下面的表格．距离地面高度（千米）0 1 2 3 4 5 温度（℃）20 14 8 2 ﹣4 ﹣10
根据上表，父亲还给小明出了下面几个问题，你和小明一起回答．
（1）上表反映了哪两个变量之间的关系？哪个是自变量？哪个是因变量？
（2）如果用h表示距离地面的高度，用t表示温度，那么随着h的变化，t是怎么变化的？（3）你知道距离地面5千米的高空温度是多少吗？
（4）你能猜出距离地面6千米的高空温度是多少吗？
20. (8分)如图,在△ABC中,∠ABC=90°,AB=7，AC=25，BC=24，三条角平分线相交于点P,求点P到AB的距离．
21．(9分)杨阳同学沿一段笔直的人行道行走，在由A步行到达B处的过程中，通过隔离带的空隙O，刚好浏览完对面人行道宣传墙上的社会主义核心价值观标语，其具体信息汇集如下：如图，AB∥OH∥CD，相邻的平行线间的距离相等，AC，BD相交于O，OD⊥CD．垂足为D，已知AB=18米，请根据上述信息求标语CD的长度．
22．（9分）如图1，在锐角△ABC中，∠ABC=45°，高线AD、BE相交于点F．
（1）判断BF与AC的数量关系并说明理由；
（2）如图2，将△ACD沿线段AD对折，点C落在BD上的点M，AM与BE相交于点N，当DE∥AM时，判断NE与AC的数量关系并说明理由．。